TY - JOUR AU - Balanda, L. AU - Viszus, E. TI - On Liouville theorem and the regularity of weak solutions to some nonlinear elliptic systems of higher order JO - Commentationes Mathematicae Universitatis Carolinae PY - 1991 SP - 615 EP - 625 VL - 32 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1991__32_4_a3/ LA - en ID - CMUC_1991__32_4_a3 ER -